Nanocomposite precursor solution obtained from solution, method of making thin film and thin film made therefrom

Abstract

Nanocomposite precursor solutions obtained from solutions comprising one or more metal precursors dissolved in a liquid comprising polar protic and polar aprotic solvents are disclosed. The precursor solution is characterized by the formation of a gel following the application of a shear force to the precursor solution or a thin layer of the precursor solution. Also disclosed are methods of using such precursor solutions to prepare thin films, thin films prepared using the precursor solutions, thin films with minimal surface area, and devices comprising the thin films disclosed herein.

Description

[0001] This application claims priority to US Provisional Application 61 / 438,862, filed February 2, 2011, entitled Solution Derived Nanocomposite Precursor Solutions and Methods for Making Thin Films, which is incorporated herein by reference in its entirety. technical field [0002] A solution-obtained nanocomposite (SDN) precursor solution is disclosed comprising one or more, preferably two or more, metal precursors dissolved in a liquid comprising a polar protic solvent and a polar non-protic solvent. The precursor solution is characterized by the formation of a gel upon application of a shear force to the precursor solution or a thin layer of the precursor solution. Also disclosed are methods of using such precursor solutions to make thin films, thin films made using said precursor solutions, thin films having minimal surface area, and devices comprising the thin films disclosed herein. [0003] Background of the invention [0004] In many devices there are thin film coa...

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Problems solved by technology

Common roll coaters have not been used successfully due to the difficulty in forming and maintaining a dynamic wetting line with non-Newtonian fluids

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